Seattle / Tacoma (SEA) to Portland (PWM) flight deal in economy from $315

Sunday, November 29th, 2026

6 round-trip options

Returning
Fri, Dec 4, 20265 Day Trip
$976 USD
Returning
Sat, Dec 5, 20266 Day Trip
$957 USD
Returning
Mon, Dec 7, 20268 Day Trip
$957 USD
Returning
Fri, Dec 11, 202612 Day Trip
$948 USD
Returning
Sat, Dec 12, 202613 Day Trip
$948 USD
Returning
Sun, Dec 13, 202614 Day Trip
$983 USD